/**
 * 通用js方法封装处理
 * Copyright (c) 2019 hipi
 */

// 日期格式化
export function parseTime(time, pattern) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    } else if (typeof time === 'string') {
      time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm), '')
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const timeStr = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') {
      return ['日', '一', '二', '三', '四', '五', '六'][value]
    }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return timeStr
}

// 表单重置
export function resetForm(refName) {
  if (this[refName]) {
    this[refName].resetFields()
  }
}

// 添加日期范围
export function addDateRange(params, dateRange, propName) {
  var search = params
  search.params = {}
  if (dateRange !== null && dateRange !== '' && dateRange.length === 2) {
    if (typeof (propName) === 'undefined') {
      search.params['beginTime'] = dateRange[0]
      search.params['endTime'] = dateRange[1]
    } else {
      search.params[propName + 'BeginTime'] = dateRange[0]
      search.params[propName + 'EndTime'] = dateRange[1]
    }
  }
  return search
}

// 回显数据字典
export function selectDictLabel(datas, value) {
  var actions = []
  Object.keys(datas).some((key) => {
    if (datas[key].dictValue === ('' + value)) {
      actions.push(datas[key].dictLabel)
      return true
    }
  })
  return actions.join('')
}

// 回显数据字典（字符串数组）
export function selectDictLabels(datas, value, separator) {
  var actions = []
  var currentSeparator = undefined === separator ? ',' : separator
  var temp = value.split(currentSeparator)
  Object.keys(value.split(currentSeparator)).some((val) => {
    Object.keys(datas).some((key) => {
      if (datas[key].dictValue === ('' + temp[val])) {
        actions.push(datas[key].dictLabel + currentSeparator)
      }
    })
  })
  return actions.join('').substring(0, actions.join('').length - 1)
}

// 字符串格式化(%s )
export function sprintf(str) {
  var args = arguments
  var flag = true
  var i = 1
  str = str.replace(/%s/g, function() {
    var arg = args[i++]
    if (typeof arg === 'undefined') {
      flag = false
      return ''
    }
    return arg
  })
  return flag ? str : ''
}

// 转换字符串，undefined,null等转化为''
export function parseStrEmpty(str) {
  if (!str || str === 'undefined' || str === 'null') {
    return ''
  }
  return str
}

/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 * @param {*} rootId 根Id 默认 0
 */
export function handleTree(data, id, parentId, children, rootId) {
  id = id || 'id'
  parentId = parentId || 'parentId'
  children = children || 'children'
  rootId = rootId || Math.min.apply(Math, data.map(item => {
    return item[parentId]
  })) || 0
  // 对源数据深度克隆
  const cloneData = JSON.parse(JSON.stringify(data))
  // 循环所有项
  const treeData = cloneData.filter(father => {
    var branchArr = cloneData.filter(child => {
      // 返回每一项的子级数组
      return father[id] === child[parentId]
    })
    if (branchArr.length > 0) {
      father.children = branchArr
    } else {
      father.children = ''
    }
    // 返回第一层
    return father[parentId] === rootId
  })
  return treeData !== '' ? treeData : data
}

// 验证是否为blob格式
export async function blobValidate(data) {
  try {
    const text = await data.text()
    JSON.parse(text)
    return false
  } catch (error) {
    return true
  }
}

/**
 * 表格排序转换
 *
 * @param {*} sorter 排序
 * @returns 转换结果
 */
export function tableSorter(sorter) {
  let orderByColumn = null
  let isAsc = null
  if (sorter && sorter.order) {
    orderByColumn = sorter.field
    isAsc = sorter.order === 'descend' ? 'desc' : 'asc'
  }
  return {
    orderByColumn,
    isAsc
  }
}
